<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="../js/jquery.js"></script>
<script type="text/javascript">
	function f1(){
		//$('div:hidden').css('display','block');
		$('div:hidden').show(4000);//以动画的形式，1s时间慢慢显示
		
		//$('div:visible').css('display','none');
		//$('div:visible').hide(1000);
	}
</script>
</head>
<body>
	<div >hello java</div>
	<div style="display:none">hello jQuery</div>
	<input type="button" value="点击" onclick="f1();"/>
</body>
</html>